@echo off
setlocal enabledelayedexpansion
echo ================================================
echo   CAN.py IAP Upgrade Tool - Build Script
echo   Output: dist\CAN_IAP_Tool.exe (single file)
echo ================================================
cd /d %~dp0

echo.
echo [1/3] Check PyInstaller ...
python -m PyInstaller --version >nul 2>&1
if errorlevel 1 (
    echo       PyInstaller not found, installing ...
    pip install pyinstaller
    if errorlevel 1 (
        echo [ERROR] PyInstaller install failed. Check Python/pip.
        pause
        exit /b 1
    )
) else (
    echo       PyInstaller OK
)

echo.
echo [2/3] Building (embed ControlCAN.dll, no console window) ...
pyinstaller -F -w -n CAN_IAP_Tool CAN.py --add-binary "ControlCAN.dll;." --clean
if errorlevel 1 (
    echo [ERROR] Build failed.
    pause
    exit /b 1
)

echo.
echo [3/3] Done!
echo       exe: dist\CAN_IAP_Tool.exe
echo       Note: config.ini auto-created next to exe on first run.
pause